The sum of 8n? - 3n + 10 and --3n2-6n - 7 is 1) Sn- 9n + 3
2) Sn? - 3n - 17
3) -11n? - 9n - 17
4)-lin- 3n + 3

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.

55% are girls and 45% are boys : ) hope this

step-by-step explanation:

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol